fossil
FAH-sul
/ˈfɒs.əl/
The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Can refer to actual mineralized bones/plants or trace evidence like footprints; informal usage describes an outdated person or idea.
The story behind the word. From Latin 'fossus', the past participle of 'fodere' (to dig). In the 16th century, 'fossil' meant anything dug out of the ground, including rocks and minerals, before narrowing in the 18th century to preserved ancient life.
Word relationships
- remains: Remains refers broadly to organic leftovers, whereas a fossil specifically implies ancient geological mineralization.
- impression: An impression is a imprint mark, whereas fossil usually implies petrified physical remains or casts.
- living organism: Refers to active, surviving life forms rather than ancient preserved traces.
Commonly confused with
- artifact: An artifact is a human-made object, whereas a fossil is the preserved remains of a living organism.
Word family
- fossilize (verb): To turn into a fossil or render obsolete
- fossilization (noun): The physical process of becoming a fossil
Collocations
- fossil fuel
- fossil record
- trace fossil
- fossil preservation
Idioms & expressions
- fossilized thinking
Example sentences
- "Paleontologists uncovered a remarkably preserved dinosaur fossil embedded within the dark shale rock." Paleontology
- "Fossil fuels such as coal and natural gas originated from ancient biological remains buried under pressure." Environmental science
Memory hook
FOSSIL comes from FOSSUS, meaning something you find by DIGGING. Dug up from ancient times.
When not to use
Do not use for recently deceased organisms that haven't undergone mineralization.
Fun facts
- The world's oldest known fossils are stromatolites, formed by cyanobacteria over 3.4 billion years ago.
Related words
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